2025 Compare Cities People:
Greenwich, CT vs Summit, NJ

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Highlights
- Summit is 0% more densely populated than Greenwich.
- People are 7.7% less likely to be married in Summit.
- The Median Age is 3.2 years younger in Summit.
 Greenwich, CTSummit, NJUnited States
 Population  Unlock22,598329,725,481
 Female Population51.4%  Unlock50.5%
 Male Population48.6%  Unlock49.5%
 Median Age  Unlock39.738.4
 space3
 Population - 201061,310  Unlock309,327,143
 Population - 2000  Unlock21,131285,036,114
 Population - 199058,441  Unlock251,960,433
 Pop. 2000 to Now  Unlock3.2%15.6%
 Pop. 1990 to Now7.4%  Unlock30.8%
 space4
 Population Density  Unlock3,770.193.4
 Land Area47.7  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Greenwich, CTSummit, NJUnited States
 Age 0 to 45.2%  Unlock5.9%
 Age 5 to 9  Unlock6.2%6.1%
 Age 10 to 148.0%  Unlock6.6%
 Age 15 to 17  Unlock5.5%3.9%
 Age 18 to 202.9%  Unlock4.0%
 Age 21 to 24  Unlock3.6%5.2%
 Age 25 to 347.4%  Unlock13.8%
 Age 35 to 44  Unlock15.5%12.9%
 Age 45 to 5416.1%  Unlock12.6%
 Age 55 to 59  Unlock7.5%6.7%
 Age 60 to 646.8%  Unlock6.3%
 Age 65 to 74  Unlock6.2%9.6%
 Age 75 to 845.1%  Unlock4.5%
 Age 85 and over  Unlock2.2%1.9%
 space1
 Race
 Greenwich, CTSummit, NJUnited States
 White73.0%  Unlock59.4%
 Black  Unlock7.0%12.2%
 Asian7.1%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock1.5%0.4%
 Two or More Races3.9%  Unlock3.2%
 Hispanic  Unlock11.7%18.4%
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 Marriage & Family
 Greenwich, CTSummit, NJUnited States
 Married Population60.4%  Unlock49.8%
     Currently Married  Unlock55.1%48.0%
 Married but Separated0.9%  Unlock1.8%
 Single Population  Unlock44.2%50.2%
 Never Married27.5%  Unlock33.8%
 Divorced  Unlock6.7%10.8%
 Widowed4.7%  Unlock5.6%
 space5
 Household Size  Unlock2.852.60
 Households22,620  Unlock124,010,992
 Family Households  Unlock5,68780,755,759
     Married couple, w/children40.8%  Unlock30.5%
     Married couple, no children  Unlock31.4%42.9%
 Non Family Households5,916  Unlock43,255,233
     Single householder, w/children  Unlock8.7%15.8%
     Single householder, no children5.4%  Unlock10.8%
Reviews for Greenwich    2 Reviews

Over 17 years ago

Cost of Living is very high. If you can afford it, this is a very nice place to  More

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Cost of living, especially utilities is high. Even have a 'special' gas surcharge at the pump for those living (and buying) in lower Fairfield County. At the same time  More

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Reviews for Summit    5 Reviews

Over 17 years ago

While there seems to be a good amount of cultural activities and diversity in this area, and it is done with the intention that it makes people feel diverse, when they  More

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Over 19 years ago

A very nice town. If you have lots of money to spend on housing and really want to be in Summit then it is worth it. The water and air quality are terrible. And as a  More

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Summit, NJ is a very expensive place to live. But the town does a great job of making it worth every penny. Community activities, train station, quite neighborhoods,  More

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